How do you know that an organism is going through photosynthesis?

In pea plants, the allele for tallness (t) is dominant to the allele for shortness (t). in the cross between a tall pea plant and a short pea plant shown below, what is the probability that the resulting offspring will be tall? whats the percent

Consider the directing effects of the substituents on salicylamide and predict the possible structures of the iodination products. which do you think will be the major product?

How much mass would a mole of hydrogen molecules contain? recall that hydrogen is diatomic. g/mol